Heptachlor endo-epoxide, 10.0 µg/ml, Cyclohexane,

(±)-Atenolol-d7 (N-isopropyl-d7),100 µg/mL,MeOH,1mL,

Phthalic acid, mono-n-butyl ester, certified, 0.1g

Chrysene, 1000µg/mL, Solvent-toluene, Unit 1mL, # of units-1, Cas.no. 218-01-9